The Gull Chain of Lakes Association is an alliance of individuals, families and business owners in the Gull Chain of Lakes in Cass and Crow Wing Counties. The Association is devoted to the restoration and continued preservation of the highest water quality and environmental standards achievable, promotion of the responsible use of land and water resources and recreational safety on the Gull chain of lakes. Nisswa, Minnesota

The Minnesota Aquarium Society (MAS, pronounced M--A--S) is a collection of local aquarists with the purpose of learning, sharing information, and motivating each other. MAS was founded in 1931 and incorporated as a nonprofit in 1956 with the expressed goal of studying and keeping aquatic life and fostering a community of aquarists. Roseville, Minnesota